Home / 3,576.49-4,934.66-2,161.01

Finding the Fourth Proportional to 3,576.49, 4,934.66 and 2,161.01

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Solution

The fourth proportional to 3,576.49, 4,934.66 and 2,161.01 is: 2,981.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.49 : 4,934.66 = 2,161.01 : x
  2. Step 2: Convert to fraction form
    3,576.49/4,934.66 = 2,161.01/x
  3. Step 3: Cross multiply
    3,576.49x = 4,934.66 × 2,161.01
  4. Step 4: Simplify right side
    3,576.49x = 10,663,851.14
  5. Step 5: Solve for x
    x = 10,663,851.14/3,576.49
  6. Step 6: Final answer
    x = 2,981.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.